Based upon an ancient Indonesian utility knife used for self protection and self defense, Emerson Knives® introduces the ultimate 21st Century Folding Knife. This Karambit brings you the first in the next generation of folding knives. With the advantage of the patented Emerson wave shaped feature, this is one of the finest personal defense weapons ever developed. Others will follow, but you will own the first and the best from the world's leader in Real Deal Hard Use Knives.